{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:QXCHWF5JP35Y43PVKR6573OJH3","short_pith_number":"pith:QXCHWF5J","canonical_record":{"source":{"id":"2106.13813","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-25T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"4cdd551337b6bd04f96853b694085d3571ac3ad2726dbab8c1b3b6100e7669fb","abstract_canon_sha256":"659c7e909ec9e4f97ec7848e87b4b9ae718d82af89f9a1944910df5a2d63b4ce"},"schema_version":"1.0"},"canonical_sha256":"85c47b17a97efb8e6df5547ddfedc93eca74f456a8eea9cc1a64361d48fcca3a","source":{"kind":"arxiv","id":"2106.13813","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.13813","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"arxiv_version","alias_value":"2106.13813v2","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.13813","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"pith_short_12","alias_value":"QXCHWF5JP35Y","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"pith_short_16","alias_value":"QXCHWF5JP35Y43PV","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"pith_short_8","alias_value":"QXCHWF5J","created_at":"2026-07-05T04:11:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:QXCHWF5JP35Y43PVKR6573OJH3","target":"record","payload":{"canonical_record":{"source":{"id":"2106.13813","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-25T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"4cdd551337b6bd04f96853b694085d3571ac3ad2726dbab8c1b3b6100e7669fb","abstract_canon_sha256":"659c7e909ec9e4f97ec7848e87b4b9ae718d82af89f9a1944910df5a2d63b4ce"},"schema_version":"1.0"},"canonical_sha256":"85c47b17a97efb8e6df5547ddfedc93eca74f456a8eea9cc1a64361d48fcca3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:11:46.759263Z","signature_b64":"Zx5+r9DewBS24Cvd9/Tb1yViw0z/T7U4jNHYs+o5k2J4VE8syo/lYlaLKzNDFTlP++pCq61OZqq1hb1lwl3MAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85c47b17a97efb8e6df5547ddfedc93eca74f456a8eea9cc1a64361d48fcca3a","last_reissued_at":"2026-07-05T04:11:46.758803Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:11:46.758803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.13813","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:11:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J42tp6rVfR6ORid+mZLskTy8+2jm07ZJ3AqJZNAezrxWTNn7s9ulphzITJnSofsqyxGL2jDqrTxQoS7zL8YsBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T01:06:31.499988Z"},"content_sha256":"5113f874134893694cb8caf2d384deb031f7c90cac1a02bbefea24b83e2e7dc5","schema_version":"1.0","event_id":"sha256:5113f874134893694cb8caf2d384deb031f7c90cac1a02bbefea24b83e2e7dc5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:QXCHWF5JP35Y43PVKR6573OJH3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Census of the Bright z=8.5-11 Universe with the Hubble and Spitzer Space Telescopes in the CANDELS Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anton M. Koekemoer (STScI), Casey Papovich (TAMU), Dale Kocevski (Colby), Gregory F. Snyder (STScI), Harry Ferguson (STScI), Intae Jung (NASA GSFC), Keely Finkelstein (UT Austin), Lalitwadee Kawinwanichakij (Kavli IPMU), L. Y. Aaron Yung (NASA GSFC), Mark Dickinson (NOIRLab), Mauro Giavalisco (UMass Amherst), Micaela Bagley (UT Austin), Mimi Song (UMass Amherst), Nimish Hathi (STScI), Norbert Pirzkal (STScI), Norman Grogin (STScI), Peter Behroozi (Arizona), Rachel S. Somerville (CCA), Rebecca Larson (UT Austin), Russell Ryan Jr. (STScI), Sandro Tacchella (Harvard CfA), Sofia Rojas-Ruiz (MPIA), Steven L. Finkelstein (UT Austin), Taylor Hutchison (TAMU)","submitted_at":"2021-06-25T18:00:02Z","abstract_excerpt":"We present the results from a new search for candidate galaxies at z ~ 8.5-11 discovered over the 850 arcmin^2 area probed by the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS). We use a photometric redshift selection including both Hubble and Spitzer Space Telescope photometry to robustly identify galaxies in this epoch at F160W < 26.6. We use a detailed vetting procedure, including screening for persistence, stellar contamination, inclusion of ground-based imaging, and followup space-based imaging to build a robust sample of 11 candidate galaxies, three presented he"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.13813","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.13813/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:11:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gr/qG7Qrfu7iKV1TGCP29xIjUJ259t99e52MH9/kkrg1zr1eUY6SOab+Aw54eW1RPOApKXBsEpCIY5j7ZCgmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T01:06:31.500539Z"},"content_sha256":"0c16315981cc1a66bad1d93c8aa602a74a9553bf97fb4e6a2d2b54a556d638df","schema_version":"1.0","event_id":"sha256:0c16315981cc1a66bad1d93c8aa602a74a9553bf97fb4e6a2d2b54a556d638df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QXCHWF5JP35Y43PVKR6573OJH3/bundle.json","state_url":"https://pith.science/pith/QXCHWF5JP35Y43PVKR6573OJH3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QXCHWF5JP35Y43PVKR6573OJH3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-17T01:06:31Z","links":{"resolver":"https://pith.science/pith/QXCHWF5JP35Y43PVKR6573OJH3","bundle":"https://pith.science/pith/QXCHWF5JP35Y43PVKR6573OJH3/bundle.json","state":"https://pith.science/pith/QXCHWF5JP35Y43PVKR6573OJH3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QXCHWF5JP35Y43PVKR6573OJH3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QXCHWF5JP35Y43PVKR6573OJH3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"659c7e909ec9e4f97ec7848e87b4b9ae718d82af89f9a1944910df5a2d63b4ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-25T18:00:02Z","title_canon_sha256":"4cdd551337b6bd04f96853b694085d3571ac3ad2726dbab8c1b3b6100e7669fb"},"schema_version":"1.0","source":{"id":"2106.13813","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.13813","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"arxiv_version","alias_value":"2106.13813v2","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.13813","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"pith_short_12","alias_value":"QXCHWF5JP35Y","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"pith_short_16","alias_value":"QXCHWF5JP35Y43PV","created_at":"2026-07-05T04:11:46Z"},{"alias_kind":"pith_short_8","alias_value":"QXCHWF5J","created_at":"2026-07-05T04:11:46Z"}],"graph_snapshots":[{"event_id":"sha256:0c16315981cc1a66bad1d93c8aa602a74a9553bf97fb4e6a2d2b54a556d638df","target":"graph","created_at":"2026-07-05T04:11:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2106.13813/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results from a new search for candidate galaxies at z ~ 8.5-11 discovered over the 850 arcmin^2 area probed by the Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey (CANDELS). We use a photometric redshift selection including both Hubble and Spitzer Space Telescope photometry to robustly identify galaxies in this epoch at F160W < 26.6. We use a detailed vetting procedure, including screening for persistence, stellar contamination, inclusion of ground-based imaging, and followup space-based imaging to build a robust sample of 11 candidate galaxies, three presented he","authors_text":"Anton M. Koekemoer (STScI), Casey Papovich (TAMU), Dale Kocevski (Colby), Gregory F. Snyder (STScI), Harry Ferguson (STScI), Intae Jung (NASA GSFC), Keely Finkelstein (UT Austin), Lalitwadee Kawinwanichakij (Kavli IPMU), L. Y. Aaron Yung (NASA GSFC), Mark Dickinson (NOIRLab), Mauro Giavalisco (UMass Amherst), Micaela Bagley (UT Austin), Mimi Song (UMass Amherst), Nimish Hathi (STScI), Norbert Pirzkal (STScI), Norman Grogin (STScI), Peter Behroozi (Arizona), Rachel S. Somerville (CCA), Rebecca Larson (UT Austin), Russell Ryan Jr. (STScI), Sandro Tacchella (Harvard CfA), Sofia Rojas-Ruiz (MPIA), Steven L. Finkelstein (UT Austin), Taylor Hutchison (TAMU)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-25T18:00:02Z","title":"A Census of the Bright z=8.5-11 Universe with the Hubble and Spitzer Space Telescopes in the CANDELS Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.13813","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5113f874134893694cb8caf2d384deb031f7c90cac1a02bbefea24b83e2e7dc5","target":"record","created_at":"2026-07-05T04:11:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"659c7e909ec9e4f97ec7848e87b4b9ae718d82af89f9a1944910df5a2d63b4ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-06-25T18:00:02Z","title_canon_sha256":"4cdd551337b6bd04f96853b694085d3571ac3ad2726dbab8c1b3b6100e7669fb"},"schema_version":"1.0","source":{"id":"2106.13813","kind":"arxiv","version":2}},"canonical_sha256":"85c47b17a97efb8e6df5547ddfedc93eca74f456a8eea9cc1a64361d48fcca3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85c47b17a97efb8e6df5547ddfedc93eca74f456a8eea9cc1a64361d48fcca3a","first_computed_at":"2026-07-05T04:11:46.758803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:11:46.758803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zx5+r9DewBS24Cvd9/Tb1yViw0z/T7U4jNHYs+o5k2J4VE8syo/lYlaLKzNDFTlP++pCq61OZqq1hb1lwl3MAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:11:46.759263Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.13813","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5113f874134893694cb8caf2d384deb031f7c90cac1a02bbefea24b83e2e7dc5","sha256:0c16315981cc1a66bad1d93c8aa602a74a9553bf97fb4e6a2d2b54a556d638df"],"state_sha256":"16b20c038abbbb5c74acc41db3234ec076b37e6125851f82a0982a8e87134ced"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WwrPIihPuCM3Pi77Xdd/DNRNQwh3gNVzOyNXAQds3FW/c1q47Bf4YsGQCkfX/sIGD+lWE1y0oqDJulBUrJdpDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T01:06:31.503223Z","bundle_sha256":"54d2e49307d2e0dc2c549a5abc27e86a37264aa71221f8f6a437b0399b1e1c2b"}}